*SUPPORT*
IN: dax wif dax blicket tufa kiki OUT: YELLOW GREEN YELLOW RED PURPLE
IN: wif OUT: GREEN
IN: wif fep tufa dax zup wif OUT: GREEN GREEN GREEN YELLOW
IN: wif dax zup blicket OUT: GREEN RED YELLOW
IN: blicket dax tufa kiki zup blicket OUT: RED YELLOW RED PURPLE
IN: blicket dax tufa wif fep OUT: RED YELLOW GREEN GREEN
IN: wif dax zup kiki OUT: GREEN PURPLE YELLOW
IN: dax blicket dax wif OUT: YELLOW RED YELLOW GREEN
IN: kiki fep OUT: PURPLE PURPLE
IN: dax fep OUT: YELLOW YELLOW
IN: kiki dax zup kiki OUT: PURPLE PURPLE YELLOW
IN: blicket tufa wif blicket fep OUT: RED GREEN RED RED
IN: wif zup kiki OUT: PURPLE GREEN
IN: blicket fep OUT: RED RED

*QUERY*
IN: dax OUT: YELLOW
IN: blicket fep tufa blicket OUT: RED RED RED
IN: blicket wif fep OUT: RED GREEN GREEN
IN: kiki zup blicket OUT: RED PURPLE
IN: dax zup wif OUT: GREEN YELLOW
IN: wif fep OUT: GREEN GREEN
IN: kiki kiki fep OUT: PURPLE PURPLE PURPLE
IN: dax zup dax OUT: YELLOW YELLOW
IN: blicket tufa dax tufa blicket kiki fep OUT: RED YELLOW RED PURPLE PURPLE
IN: kiki OUT: PURPLE

*GRAMMAR*
kiki -> PURPLE 
 dax -> YELLOW 
 wif -> GREEN 
 blicket -> RED 
 u1 fep -> [u1] [u1] 
 u1 zup u2 -> [u2] [u1] 
 x1 tufa x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 